1.check whether the air pressure is too low; 2.check whether signal system is normal; 3.check whether punching and cutting are synchronous; 4.check whether the holding time is too long when punching;

Punching is not continously or sometimes good and sometimes bad

1.check whether the air pressure is too low; 2.check whether the air faculty is not enough (far away from compressor); 3.check whether water comes into solenoid pilot actuated valve or there is blockage in muffler; 4.check whether there is a breakage in air cylinder;

When punching there is fluff or unsuccessful full cutting.

should sharpen the knife edge;

After punching on thicker(over 0.05mm)poly bags then punching on thinner(bellow 0.04mm) poly bags, therer is fluff or unsuccessful full cutting.

1.discharge the male and femal of the punch or sharpen the male part edges; 2.a better solution is to punch separately in thicker andthinner poly bags;

Punch machine use rules

(A) Before using:

1.Before using the punch please make sure that there is not residue on the punch head and low die. 2.Please put some lubricant on the upside of punch head in order to make it work swimmingly.please note that you should polish it with close lest some residue stick to the punch chip. 3.Suggest to choose the following lubricant:engine oil,butter,car oil and so on.

1.Please polish outside of punch,especially the low die and punch chip. 2.put some lubricant on the low die,and press the punch chip to the bottom. 3.If the punch becomes blunt ,you could separate the punch chip and grind it on grinder.